Finding the Fourth Proportional to 131,472,300.10, 196,830,536.55 and 80,453,964.10

Step by Step Solution

1. Step 1: Write the proportion equation
   131,472,300.10 : 196,830,536.55 = 80,453,964.10 : x
2. Step 2: Convert to fraction form
   131,472,300.10/196,830,536.55 = 80,453,964.10/x
3. Step 3: Cross multiply
   131,472,300.10x = 196,830,536.55 × 80,453,964.10
4. Step 4: Simplify right side
   131,472,300.10x = 15,835,796,921,377,438
5. Step 5: Solve for x
   x = 15,835,796,921,377,438/131,472,300.10
6. Step 6: Final answer
   x = 120,449,683.39